Mirror



FIG. 1 is a left front perspective view of a mirror showing our new design;

FIG. 2 is a side view, the opposite side being a mirror image of the side shown; and,

FIG. 3 is a front elevational view thereof.

The top, bottom and rear views are not shown and form no part of the claimed design. 

The ornamental design for a mirror, as shown and described. 